#include<stdio.h>
using namespace std;
int main()
{
    int n;
    int arr[n];
    scanf("%d\n",n);
    scanf("%d\t",arr[n]);
    for (i=1;i<=n;i++);
    for (j=1;j<=n;j++);
     {if i<=j 
      continue;
     else:
     i==j,n-=1;
     }
     printf()
return 0;
}
